#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<vector>
using namespace std;
void test()
{
	vector<vector<char>>  v(5);
	for (int i = 0;i < 5;i++)
	{
		v[i].resize(i + 1, '*');
	}

	for (int i = 0;i < 5;i++)
	{
		for (int j = 0;j < v[i].size();j++)
		{
			cout << v[i][j];
		}
		cout << endl;
	}
}
int main()
{
	test();
	return 0;
}